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Mentor
Karma Points: 657
Respect (86%):
Date Posted: 7/21/2008 7:46:48 PM  Status: Live
NID HELP IMMEDIATELY! WIll rate lifesaver!
Course Textbook Chapter Problem
General Chemistry N/A N/A N/A
Question Details:
The reaction of H2 and Br2 was found to have a rate law of
k[H2][Br2]1/2.
Propose a 2 step mechanism for the formation of HBr from H2 and Br2. Experimentally, it was found out that atomic Br is a transient intermediate of the reaction.

Answers:

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Sage
Karma Points: 3,963
Date Posted: 7/22/2008 7:56:35 AM  Status: Live
Asker's Rating: Somewhat Helpful   
Response:
the reaction mechanism is
H2 + 1/2 Br2 -----> HBr + H*
H* + Br -----> HBr
-------------------------
H2 + Br2 -----> 2HBr
EngFil's Comment:
Wrong coefficient of Br2 in the net eqn is 1/2... Please answer well before you post plss.



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